Re: reduced ammo loadout of 2S3 SPHs?
On checking Isby's "Weapons and Tactics of the Soviet Army", he gives the SAU-152 (M1973) 30 rounds, the SAU-122 as 40.
A quick google search shows numbers agreeing with your figures, though - 40/46 shells. So my bet is the original 33 figure comes from the original SP2 OOB data, which would be based on the USA intelligence documents of the 80's.
Cheers
Andy
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